1-imageareaselect:imgAreaSelect is a jQuery plugin for selecting a rectangular area of an image. It allows web developers to easily implement image cropping functionality, as well as other user interface features, such as photo notes (like those on Flickr).
2-uvumitools:This simplified tool gives your users the ability to create a selection area that can be used to crop an image live on your web site. This is an extremely useful too for any site that provides image hosting, for example.
4-Kroppr:Kroppr is intended to allow users to manipulate the images available on a website. There are plenty of online image cropping scripts that are used to create avatars, scale or crop images, for photo resize and photo crop – but, on top of that, Kroppr offers image rotation and some other features without any plugin required (Flash or Java).
6-Jcrop:Jcrop is the quick and easy way to add image cropping functionality to your web application. It combines the ease-of-use of a typical jQuery plugin with a powerful cross-platform DHTML cropping engine that is faithful to familiar desktop graphics applications.